Coffee machine



FIG. 1 is a front perspective view of a first embodiment of the coffee machine showing my design;

FIG. 2 is a top plan view of the first embodiment of the coffee machine showing my design;

FIG. 3 is a right side elevational view of the first embodiment, the left side elevational view being a mirror image thereof;

FIG. 4 is a bottom plan view of the first embodiment of the coffee machine showing my design;

FIG. 5 is a top plan view of the first embodiment of the coffee machine showing my design;

FIG. 6 is a front perspective view of a second embodiment the coffee machine showing my design;

FIG. 7 is a top plan view of the second embodiment of the coffee machine showing my design;

FIG. 8 is a right side elevational view of the second embodiment, the left side elevational view being a mirror image thereof;

FIG. 9 is a bottom plan view of the second embodiment of the coffee machine showing my design; and,

FIG. 10 is a top plan view of the second embodiment of the coffee machine showing my design. 

The ornamental design for a coffee machine, as shown and described. 